Skip to main content
    RoamWorthy
    caravan
    license weight
    ev-towing
    towbars
    electric-cars
    weights

    How to Choose the Right Towbar for Your Electric Vehicle

    Expert guide on choosing EV towbars in 2026. Learn about V5C type approval, dedicated wiring for regenerative braking, and why detachable swan necks are best.

    Expert guide on choosing EV towbars in 2026. Learn about V5C type approval, dedicated wiring for regenerative braking, and why detachable swan necks are best.

    5 min read
    Published 20 Apr 2026Updated 1 Sept 2026

    RoamWorthy Editorial researches UK caravans, motorhomes and campervans using RoamWorthy marketplace data, primary and official sources, and structured editorial review.

    View all articles →

    Quick Takeaways: EV Towing in 2026

    • Type Approval: Not all electric vehicles (EVs) are legally approved for towing; check your V5C logbook (Section O.1) for the towing capacity before purchase.
    • Noseweight (S-Value): EVs often have specific noseweight limits; check your manual to ensure a stable match for caravans like the Bailey Alicanto.
    • Dedicated Wiring: Recommended for EVs to help the vehicle manage systems like regenerative braking and safety sensors when a trailer is detected.
    • Towbar Choice: Detachable swan neck towbars are often preferred to avoid interfering with aerodynamic under-trays and parking sensors.
    • Range Impact: Towing a caravan will significantly impact EV range; the extent is highly dependent on the specific model, route, weather, and driving speed.

    As we move through 2026, the presence of electric vehicles (EVs) on UK campsites is growing. For the modern caravanner, switching to an EV like the Tesla Model Y, Kia EV6, or BMW iX offers incredible instant torque and a serene towing experience. However, the hardware required to connect your caravan to your EV can be more complex than a standard petrol or diesel car. Choosing the right towbar and appropriate wiring is important for maintaining your vehicle's safety systems and checking your manufacturer's warranty requirements.

    RoamWorthy's editorial standards ensure all technical advice is cross-referenced with manufacturer data and specialist installers like Witter and Westfalia.

    Is Your EV Approved to Tow?

    The first step is checking the V5C logbook. Some EVs are not 'type-approved' for towing. If the towing capacity (technical permissible maximum laden mass of the trailer) in your logbook is '0' or blank, you cannot legally fit a towbar for towing. You may, however, be able to fit a 'cycle-carrier' bar designed only for vertical loads. Use our Towing capacity by reg tool to verify this before booking an installation. Vehicles like the Hyundai IONIQ 5 and Volvo EX90 have specific towing limits, but some base-model EVs do not.

    EV Model Typical Max Towing Capacity (Braked) Recommended For
    Tesla Model X 2,250kg Heavy Twin-Axle Caravans
    BMW iX xDrive50 2,500kg Premium models like Bailey Unicorn Cartagena
    Kia EV6 / Hyundai IONIQ 5 1,600kg Mid-sized family caravans
    Volkswagen ID.4 (77kWh) 1,000kg - 1,200kg Lightweight models like Swift Basecamp Plus

    Choosing the Towbar Type

    For many EVs, the 'Detachable Swan Neck' is a popular choice. Because many EVs have aerodynamic under-trays and sophisticated rear parking sensors, a fixed towbar can sometimes interfere with the car's sensors. A detachable bar allows you to remove the hitch entirely when not in use, keeping the car's look clean and ensuring the sensors work as intended. Furthermore, some EVs have specific ground clearance considerations; a high-quality detachable system helps ensure you do not 'ground out' on speed bumps or steep ramps.

    When selecting a towbar, consider the weight of your caravan. If you are towing a premium model like the Bailey Unicorn Cartagena or a Coachman Laser 665, ensuring the towbar is correctly rated for the vehicle's capacity is paramount. You can explore various Caravan Models and Caravan Layouts to see which weights align with your EV's capacity.

    The Importance of Dedicated Wiring

    Specialists often advise against 'universal' or 'bypass' wiring kits on electric cars. Modern EVs use complex electronic systems that benefit from knowing when a caravan is attached. A dedicated vehicle-specific wiring loom may:

    • Assist Regenerative Braking: The car's software may adjust regen settings to help manage the extra mass of the caravan.
    • Modify Cooling: The battery management system might adjust cooling flow to handle the increased thermal load.
    • Safety Systems: It can deactivate rear parking sensors and often enable 'Trailer Stability Assist' within the car's stability control systems.

    Noseweight and the 'S-Value'

    Because EV batteries are often heavy and centrally located, many EVs offer competitive noseweight (S-value) ratings. For example, some EVs allow for 100kg on the towball, which can assist in balancing your caravan correctly. Always check these limits for your specific model in our Find your car's kerbweight database or use our Caravan Towing Calculator. Ensure you never exceed the plated axle or gross vehicle weight limits; a public weighbridge is the most reliable way to verify your actual loaded weights.

    EV Towbar Installation Checklist

    • [ ] Verify towing capacity on the V5C logbook (Section O.1).
    • [ ] Confirm if the vehicle requires a "towing prep" package from the factory.
    • [ ] Consider a detachable swan neck to preserve sensor functionality.
    • [ ] Use vehicle-specific (dedicated) wiring to integrate with car safety systems.
    • [ ] Check if software coding is required by the dealer to activate trailer modes.
    • [ ] Ensure the installer provides a certificate of conformity.
    • [ ] Verify the maximum vertical load (S-value) if the car is only approved for cycle carriers.

    Frequently Asked Questions

    Can I fit a towbar to a leased EV?

    Usually yes, provided it is a professional installation. However, you must check your lease agreement first, as some providers have specific rules regarding modifications. Always consult your dealer or Find a Dealer for advice on lease-compliant modifications.

    Will a towbar affect my EV's range?

    The towbar itself has no significant impact on range. However, towing a caravan will reduce your range; the exact percentage is highly dependent on your speed, the caravan's aerodynamics, and weather conditions. Planning your charging stops is essential for EV towing.

    Does fitting a towbar void my EV warranty?

    Using a manufacturer-approved towbar and dedicated wiring fitted by a professional is generally recommended to protect your warranty. Using universal electrics could potentially affect your cover or future claims; you should check with your insurer and vehicle manufacturer for their specific policy requirements.

    Can your car tow it?

    Free towing check. Takes 30 seconds

    Try the RoamWorthy towing calculator
    PDF Report

    Save outfits, compare setups, download or email a PDF report. Find compatible caravans.

    Our content follows our editorial policy.

    Spotted an error? Let us know.